Home / 19,823.74-27,354.79-11,442.94

Finding the Fourth Proportional to 19,823.74, 27,354.79 and 11,442.94

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Solution

The fourth proportional to 19,823.74, 27,354.79 and 11,442.94 is: 15,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.74 : 27,354.79 = 11,442.94 : x
  2. Step 2: Convert to fraction form
    19,823.74/27,354.79 = 11,442.94/x
  3. Step 3: Cross multiply
    19,823.74x = 27,354.79 × 11,442.94
  4. Step 4: Simplify right side
    19,823.74x = 313,019,220.68
  5. Step 5: Solve for x
    x = 313,019,220.68/19,823.74
  6. Step 6: Final answer
    x = 15,790.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.